MODULAR CIRCUIT TECHNOLOGY
==========================

   MCT-AIO/AIO+

   Card Type          Multi I/O                                   
   Chipset/Controller Unidentified                                
   I/O Options        Game port, parallel port, serial ports (2)  
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/M-O/50458-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN1    | Serial port 2    |    J1    |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN2    | Game port        |    J2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  GAME PORT CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Setting              |         DSW1/4          |
   |----------------------------------+-------------------------|
   |>>  |           Enabled           |           On            |
   |----+-----------------------------+-------------------------|
   |    |          Disabled           |           Off           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |             Setting              |         DSW1/5          |
   |----------------------------------+-------------------------|
   |>>   |          Enabled           |           On            |
   |-----+----------------------------+-------------------------|
   |     |          Disabled          |           Off           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT ADDRESS SELECT                |
   |------------------------------------------------------------|
   |             Address             |          DSW1/1          |
   |---------------------------------+--------------------------|
   |>>     |          LPT1           |           Off            |
   |-------+-------------------------+--------------------------|
   |       |          LPT2           |            On            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               PARALLEL PORT INTERRUPT SELECT               |
   |------------------------------------------------------------|
   |         IRQ          |      JP5/A       |      JP5/B       |
   |----------------------+------------------+------------------|
   |>>  |      IRQ7       |      Closed      |       Open       |
   |----+-----------------+------------------+------------------|
   |    |      IRQ5       |       Open       |      Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Port 1 (CN1)   |  Port 2 (J1)  |   DSW1/7   |   DSW1/8   |
   |------------------+---------------+------------+------------|
   |>> |   Enabled    |    Enabled    |     On     |     On     |
   |---+--------------+---------------+------------+------------|
   |   |   Enabled    |   Disabled    |     On     |    Off     |
   |---+--------------+---------------+------------+------------|
   |   |   Disabled   |    Enabled    |    Off     |     On     |
   |---+--------------+---------------+------------+------------|
   |   |   Disabled   |   Disabled    |    Off     |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT ADDRESS SELECT                 |
   |------------------------------------------------------------|
   |   Port 1 (CN1)   |  Port 2 (J1)  |   DSW1/2   |   DSW1/3   |
   |------------------+---------------+------------+------------|
   |>>   |    COM1    |     COM2      |     On     |     On     |
   |-----+------------+---------------+------------+------------|
   |     |    COM2    |     COM3      |    Off     |     On     |
   |-----+------------+---------------+------------+------------|
   |     |    COM3    |     COM4      |     On     |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PRIMARY SERIAL PORT INTERRUPT SELECT            |
   |------------------------------------------------------------|
   |     IRQ     |  DSW2/5   |  DSW2/6   |  DSW2/7   |  DSW2/8  |
   |-------------+-----------+-----------+-----------+----------|
   |>> |  IRQ4   |    Off    |    Off    |    On     |   Off    |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ2   |    On     |    Off    |    Off    |   Off    |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ3   |    Off    |    On     |    Off    |   Off    |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ5   |    Off    |    Off    |    Off    |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           SECONDARY SERIAL PORT INTERRUPT SELECT           |
   |------------------------------------------------------------|
   |     IRQ     |  DSW2/1   |  DSW2/2   |  DSW2/3   |  DSW2/4  |
   |-------------+-----------+-----------+-----------+----------|
   |>> |  IRQ3   |    Off    |    On     |    Off    |   Off    |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ2   |    On     |    Off    |    Off    |   Off    |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ4   |    Off    |    Off    |    On     |   Off    |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ5   |    Off    |    Off    |    Off    |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   NORMAL/FORCE TRUE MODE                   |
   |------------------------------------------------------------|
   |  Setting   | JP1/A | JP1/B | JP1/C | JP2/A | JP2/B | JP2/C |
   |------------+-------+-------+-------+-------+-------+-------|
   |>> | Normal | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |        | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   | Forced | Pins  | Pins  | Pins  | Pins  | Pins  | Pins  |
   |   |  true  | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
   |------------------------------------------------------------|
   | Note: All Pins designated should be in the closed          |
   | position.                                                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DTE/DCE CONFIGURATION                    |
   |------------------------------------------------------------|
   | Setting |           JP3           |          JP4           |
   |---------+-------------------------+------------------------|
   |>> | DTE | Pins 1 & 2, 3 & 4, 5 &  | Pins 1 & 2, 3 & 4, 5 & |
   |   |     | 6, 7 & 8, 9 & 10 closed |    6, 7 & 8, 9 & 10    |
   |   |     |                         |         closed         |
   |---+-----+-------------------------+------------------------|
   |   | DCE | Pins 1 & 3, 2 & 4, 5 &  | Pins 1 & 3, 2 & 4, 5 & |
   |   |     | 7, 6 & 8, 9 & 10 closed |    7, 6 & 8, 9 & 10    |
   |   |     |                         |         closed         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |            Switch            |           Setting           |
   |------------------------------+-----------------------------|
   |            DSW1/6            |             N/A             |
   +------------------------------------------------------------+